Chevy pickup rear window seal

[JHZR2]

98 chevy s10, got hard direct sun for many years. Paint is great, rubber not so much...

Rubber not looking so good. Sliding rear window.

How does one repair this?

 

[JHZR2]

Do pickup rear windows in s10 trucks glue in or is it a seal installed with the rope trick?

 

[01rangerxl]

I believe S-10 rear windows are glue in on 94 and up models.

 

[Chris B.]

Could you soak it with some 303 to "moisturize" and preserve the rubber?